diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/link/link_dpms.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c index 65607589495f..c4e03482ba9a 100644 --- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c +++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c @@ -817,17 +817,17 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) ASSERT(dsc_cfg.dc_dsc_cfg.num_slices_h % opp_cnt == 0); dsc_cfg.dc_dsc_cfg.num_slices_h /= opp_cnt; + if (should_use_dto_dscclk) + dccg->funcs->set_dto_dscclk(dccg, dsc->inst); dsc->funcs->dsc_set_config(dsc, &dsc_cfg, &dsc_optc_cfg); dsc->funcs->dsc_enable(dsc, pipe_ctx->stream_res.opp->inst); - if (should_use_dto_dscclk) - dccg->funcs->set_dto_dscclk(dccg, dsc->inst, true); for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { struct display_stream_compressor *odm_dsc = odm_pipe->stream_res.dsc; + if (should_use_dto_dscclk) + dccg->funcs->set_dto_dscclk(dccg, odm_dsc->inst); odm_dsc->funcs->dsc_set_config(odm_dsc, &dsc_cfg, &dsc_optc_cfg); odm_dsc->funcs->dsc_enable(odm_dsc, odm_pipe->stream_res.opp->inst); - if (should_use_dto_dscclk) - dccg->funcs->set_dto_dscclk(dccg, odm_dsc->inst, true); } dsc_cfg.dc_dsc_cfg.num_slices_h *= opp_cnt; dsc_cfg.pic_width *= opp_cnt; @@ -879,19 +879,32 @@ void link_set_dsc_on_stream(struct pipe_ctx *pipe_ctx, bool enable) } /* disable DSC block */ - if (dccg->funcs->set_dto_dscclk) - dccg->funcs->set_dto_dscclk(dccg, pipe_ctx->stream_res.dsc->inst, false); - pipe_ctx->stream_res.dsc->funcs->dsc_disconnect(pipe_ctx->stream_res.dsc); - if (dccg->funcs->set_ref_dscclk) - dccg->funcs->set_ref_dscclk(dccg, pipe_ctx->stream_res.dsc->inst); - pipe_ctx->stream_res.dsc->funcs->dsc_disable(pipe_ctx->stream_res.dsc); - for (odm_pipe = pipe_ctx->next_odm_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { - if (dccg->funcs->set_dto_dscclk) - dccg->funcs->set_dto_dscclk(dccg, odm_pipe->stream_res.dsc->inst, false); + for (odm_pipe = pipe_ctx; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe) { odm_pipe->stream_res.dsc->funcs->dsc_disconnect(odm_pipe->stream_res.dsc); + /* + * TODO - dsc_disconnect is a double buffered register. + * by the time we call dsc_disable, dsc may still remain + * connected to OPP. In this case OPTC will no longer + * get correct pixel data because DSCC is off. However + * we also can't wait for the disconnect pending + * complete, because this function can be called + * with/without OTG master lock acquired. When the lock + * is acquired we will never get pending complete until + * we release the lock later. So there is no easy way to + * solve this problem especially when the lock is + * acquired. DSC is a front end hw block it should be + * programmed as part of front end sequence, where the + * commit sequence without lock and update sequence + * with lock are completely separated. However because + * we are programming dsc as part of back end link + * programming sequence, we don't know if front end OPTC + * master lock is acquired. The back end should be + * agnostic to front end lock. DSC programming shouldn't + * belong to this sequence. + */ + odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc); if (dccg->funcs->set_ref_dscclk) dccg->funcs->set_ref_dscclk(dccg, odm_pipe->stream_res.dsc->inst); - odm_pipe->stream_res.dsc->funcs->dsc_disable(odm_pipe->stream_res.dsc); } } } @@ -2345,7 +2358,7 @@ void link_set_dpms_off(struct pipe_ctx *pipe_ctx) if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) deallocate_mst_payload(pipe_ctx); - else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT && + else if (dc_is_dp_sst_signal(pipe_ctx->stream->signal) && dp_is_128b_132b_signal(pipe_ctx)) update_sst_payload(pipe_ctx, false); @@ -2578,7 +2591,7 @@ void link_set_dpms_on( if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT_MST) allocate_mst_payload(pipe_ctx); - else if (pipe_ctx->stream->signal == SIGNAL_TYPE_DISPLAY_PORT && + else if (dc_is_dp_sst_signal(pipe_ctx->stream->signal) && dp_is_128b_132b_signal(pipe_ctx)) update_sst_payload(pipe_ctx, true); |